what is science ????
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Explanation:
A moment is the turning effect of a force around a fixed point called a pivot . ... The size of a moment depends on two factors: the size of the force applied. the perpendicular distance from the pivot to the line of action of the force.
Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. ... A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a sciencewhich has developed strong, abstract theories.